Buck-Converter
Halofie·Buck-Converter
About the Buck-Converter PCB
Buck-Converter is an open source PCB design by Halofie, published on GitHub. It is a 2-layer board measuring 47.9 × 34.4 mm, with 13 components from 12 distinct parts.
Other key parts include the LMR51450SDRRR. By type, the board carries 2 connectors, 1 IC and 1 inductor.
It belongs with the power & battery designs in this gallery.
From the project
this is a 7.6V 4A Buck converter using LM51450
��# Buck-Converter A step-down DC-DC converter design using the Texas Instruments LMR51450SDRRR switching regulator IC. ## Overview This buck converter circuit is designed to efficiently convert a higher input voltage to a lower, regulated output voltage. The design features the…
Main components on the Buck-Converter
Buck-Converter bill of materials (BOM)
13 components, 12 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LMR51450SDRRR | CONV_LMR51450SDRRR | U1 |
| 2 | SCREW_TERMINAL_01X02 Screw_Terminal_01x02 | TerminalBlock_Altech_AK300-2_P5.00mm | J1, J2 |
| 1 | 0.1UF 0.1uF | C_0402_1005Metric | CBOOT1 |
| 1 | 33PF 33pF | C_0402_1005Metric | CFF1 |
| 1 | 0.1 µF | C_0402_1005Metric | CHF1 |
| 1 | 2x4.7 µF | C_1210_3225Metric | CIN1 |
| 1 | 2X33UF 2x33uF | C_1210_3225Metric | COUT1 |
| 1 | 162K 162k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | RFBB1 |
| 1 | 19.1K 19.1k | R_0805_2012Metric | RFBT1 |
| 1 | 1k | R_0603_1608Metric | RFF1 |
| 1 | 82.5K 82.5k | R_0603_1608Metric | RT1 |
| 1 | 8.2UH 8.2uH | L_Coilcraft_XAL1510-822 | L1 |
Buck-Converter design files
The KiCad project lives in the Halofie/Buck-Converter repository on GitHub; these links point at the commit this page was built from.
- Layoutinternship_test.kicad_pcb
- Schematicinternship_test.kicad_sch
- BOMBOM.csv
Buck-Converter: common questions
How big is the Buck-Converter PCB?
The Buck-Converter measures 47.9 × 34.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Buck-Converter?
13 components, from 12 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Buck-Converter design files?
From the Halofie/Buck-Converter repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Buck-Converter design in my own project?
The repository has no license, so all rights stay with Halofie. Use it as a reference, and ask the author before reusing the design.
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